Aluminum Clad Steel Wire
Product Overview
Aluminum Clad Steel Wire combines a high-carbon steel core with an electrolytic aluminum outer layer via solid-state cladding. This manufacturing technique forms an atomic iron-aluminum metallurgical interface that prevents delamination during severe wire drawing and stranding. It provides high tensile strength alongside the electrical conductivity and atmospheric corrosion resistance of aluminum, serving primarily as a reinforced core for ACSR conductors, overhead ground wires, and structural guy strands.
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Key Features
Corrosion Resistance:
Nominal aluminum cladding (10% to 15% radius) provides long-term resistance against industrial sulfur and marine salt spray.
Tensile Strength:
High-carbon steel core (AISI 1045 to 1080 equivalent) delivers superior load-bearing capacity under high wind and ice loads.
Electrical Conductivity:
Maintains consistent performance at 14% or 20.3% IACS, minimizing I2R losses in overhead ground applications.
Fatigue Endurance:
Withstands high-frequency aeolian vibration on long-span river crossings and mountain terrain when paired with proper dampening hardware.
Product Construction
Core Material:
High-carbon killed steel rod drawn to specific utility-grade tensile requirements.
01
Metallurgical Cladding Material:
99.5% minimum purity EC grade aluminum.
02
Bond Layer:
Intermetallic iron-aluminum alloy interface formed during high-temperature processing.
03
Surface Finish:
Clean, drawn bright finish free of pits, slivers, and oxide inclusions.
04
Applications
01
ACSR Core Wire:
High-strength reinforcement strand for aluminum conductor steel-reinforced high-voltage lines.
02
Overhead Ground Wire (OHGW):
Lightning shield wire at transmission tower summits, frequently integrated with optical fibers (OPGW).
03
Guy & Messenger Strands:
Structural support stays for utility poles and railway catenary droppers in corrosive microclimates.
Available Options
Conductivity Grades:
20.3% IACS (Standard) and 14% IACS (High Strength).
Tensile Classes:
Class A, Class B, and Extra High Strength (EHS) per ASTM B415.
Cladding Thickness:
10% (Standard) and 15% (Heavy Clad for marine environments).
Delivery Formats:
Continuous coils on wooden drums or steel reels; custom cut-to-length strands.
Manufacturing & Quality Control
Surface Preparation:
Mechanical descaling, acid pickling, and chemical pretreatment of the steel rod.
Cladding & Drawing:
Continuous strip feeding and cold reduction through tungsten carbide dies.
Thermal Treatment:
In-line protective atmosphere annealing to relieve internal stresses.
Torsion Test:
Wrap-around test to verify metallurgical bond integrity without aluminum peeling.
Strip Test:
Acid etch verification of cladding thickness uniformity.
Tensile & Elongation Test:
Universal testing verification against ASTM B415 and IEC 61232.
Conductivity Check:
Kelvin double bridge test for % IACS verification.
Quality Documentation:
Lot-specific Mill Test Reports (MTRs) supplied with every shipment to verify mechanical and electrical compliance.
Customization
Diameter Range:
1.50 mm to 5.00 mm (metric and AWG sizing).
Packaging:
Fumigated wooden drums, steel reels, or layer-wound coil baskets tailored for automated stranding lines.
Lubrication:
Dry drawing soap or water-soluble residue matched to downstream processing requirements.
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As one of the leading aluminum clad steel wire manufacturers and suppliers in China, we offer a wide range of products with superior quality. We warmly welcome you to buy cheap aluminum clad steel wire for sale here from our factory. For price consultation, contact us.
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